package main

import "os"
import "fmt"

func main() {
	var s, step string
	for i := 1; i < len(os.Args); i++ {
		s += step + makeArgs(os.Args[i])
		step = " "
	}
	fmt.Println(s)
}

func makeArgs(args string) (s string) {
	var sep string
	for i := 1; i < len(args); i++ {
		s += sep + args[i-1:i]
		sep = "-"
	}
	return s
}
